14
Moderate
Carrier · Central Air Conditioners & Furnaces
Ignition Lockout
Quick Answer
Error code 14 on your Carrier Central Air Conditioners & Furnaces means: Ignition Lockout. This is usually fixable — see the step-by-step guide below.
Likely Causes
How to Fix It
1
Check gas supply valve is in the ON position
2
Measure igniter resistance with a multimeter (should be 40-200 ohms depending on type)
3
Visually inspect igniter for cracks or white spots indicating wear
4
Verify 120VAC is being sent to the igniter from the control board during ignition sequence
5
Check gas pressure at the manifold with a manometer (typically 3.5 inches WC for natural gas)
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Hot surface igniter
Gas valve
Control board
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